View of xos/drivers/video_driver.h


XOS | Parent Directory | View | Download

/* Copyright (C) 2008  Emmanuel Varoquaux
 
   This file is part of XOS.
 
   This program is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
 
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
 
#ifndef VIDEO_DRIVER_H
#define VIDEO_DRIVER_H
 
struct attr_mode_struct;
 
/* interface de pilote video */
struct video_driver_struct {
  unsigned short (*get_lines)();
  unsigned short (*get_columns)();
 
  unsigned char (*get_cursor_type)();
  void (*set_cursor_type)(unsigned char type);
  unsigned short (*get_cursor_pos)();
  void (*set_cursor_pos)(unsigned short pos);
 
  void (*set_attr)(const struct attr_mode_struct *attr_mode);
  void (*putc)(unsigned short pos, unsigned char c);
  void (*clear)(unsigned short start, unsigned short end);
  void (*scroll)();
 
  void (*history_scroll)(short n);
  void (*history_cancel)();
};
 
#endif